🎭 Mocking Frameworks

Technical guides to software testing tools that simulate dependencies, allowing developers to isolate and verify code behavior without relying on external systems.

The Art of Unit Testing

by Roy Osherove • 2009

C# unit testing without the brittle tests: stubs, mocks, and the isolation patterns that work.

4.09

1k+

🧪 Unit Testing 🖥️ .Net Development 🏚️ Legacy Code Testing

The Art of Unit Testing 91%

C# unit testing without the brittle tests: stubs, mocks, and the isolation patterns that work.

by Roy Osherove 2009

4.09

1k+ ratings

🧪 Unit Testing 🖥️ .Net Development 🏚️ Legacy Code Testing

Effective Unit Testing

by Lasse Koskela • 2012

A slow test suite kills productivity. The craft rules for fast, trustworthy unit tests.

3.80

118

🧪 Unit Testing ☕️ Java Development 🧩 Testable Design

Effective Unit Testing 89%

A slow test suite kills productivity. The craft rules for fast, trustworthy unit tests.

by Lasse Koskela 2012

3.80

118 ratings

🧪 Unit Testing ☕️ Java Development 🧩 Testable Design

Learning React

by Alex Banks • 2017

React without the chaos: a sequenced path from components to hooks to the production toolchain.

4.07

521

🖥️ Web Development 🧱 Component Architecture 🧮 Functional Programming

Learning React 88%

React without the chaos: a sequenced path from components to hooks to the production toolchain.

by Alex Banks 2017

4.07

521 ratings

🖥️ Web Development 🧱 Component Architecture 🧮 Functional Programming

Dependency Injection in .NET

by Mark Seemann • 2011

When .NET classes build their own dependencies, the codebase calcifies. Patterns to undo it.

4.42

784

🧱 Object-Oriented Design 🧩 Design Patterns 📐 Solid Principles

Dependency Injection in .NET 88%

When .NET classes build their own dependencies, the codebase calcifies. Patterns to undo it.

by Mark Seemann 2011

4.42

784 ratings

🧱 Object-Oriented Design 🧩 Design Patterns 📐 Solid Principles

Working Effectively with Legacy Code

by Michael C. Feathers • 2004

Every change is surgery in the dark. The proven, repeatable path to taming an untested codebase.

4.14

5k+

🧓 Legacy Code 🔧 Software Maintenance 🧪 Unit Testing

Working Effectively with Legacy Code Summary

Working Effectively with Legacy Code 88%

Every change is surgery in the dark. The proven, repeatable path to taming an untested codebase.

by Michael C. Feathers 2004

4.14

5k+ ratings

🧓 Legacy Code 🔧 Software Maintenance 🧪 Unit Testing

Software Engineering at Google

by Titus Winters • 2020

Google's testing playbook: 80/20, test behaviors not methods, write tests that never rot.

4.20

2k+

🧪 Software Testing 🏗️ Engineering Culture 🤖 Automated Testing

Software Engineering at Google 88%

Google's testing playbook: 80/20, test behaviors not methods, write tests that never rot.

by Titus Winters 2020

4.20

2k+ ratings

🧪 Software Testing 🏗️ Engineering Culture 🤖 Automated Testing

The Passing of the Great Race or the Racial Basis of European History

by Madison Grant • 1916

Why classical inheritance breaks a JavaScript app, and how composition, modules, and events fix it.

3.34

187

🧱 Object Composition 📦 Module Design ⚡ Event-Driven Architecture

The Passing of the Great Race or the Racial Basis of European History Summary

The Passing of the Great Race or the Racial Basis of European History 88%

Why classical inheritance breaks a JavaScript app, and how composition, modules, and events fix it.

by Madison Grant 1916

3.34

187 ratings

🧱 Object Composition 📦 Module Design ⚡ Event-Driven Architecture

Agile Testing

by Lisa Crispin • 2008

Shift quality left: a practical guide to weaving testing into every day of agile development.

3.82

1k+

🔄 Agile Development 🧪 Software Testing 🤖 Test Automation

Agile Testing 88%

Shift quality left: a practical guide to weaving testing into every day of agile development.

by Lisa Crispin 2008

3.82

1k+ ratings

🔄 Agile Development 🧪 Software Testing 🤖 Test Automation

Java to Kotlin

by Duncan McGregor • 2021

Migrating Java to Kotlin safely: functional refactoring that keeps production running.

4.58

☕ Java Developers 🔄 Kotlin Migration 🧠 Functional Programming

Java to Kotlin 88%

Migrating Java to Kotlin safely: functional refactoring that keeps production running.

by Duncan McGregor 2021

4.58

33 ratings

☕ Java Developers 🔄 Kotlin Migration 🧠 Functional Programming

Testing in Scrum

by Tilo Linz • 2014

Shift from a last-minute quality gate to testing woven into every sprint and commit.

3.72

🧪 Agile Testing 🔄 Scrum Methodology 🔴 Test Driven Development

Testing in Scrum 88%

Shift from a last-minute quality gate to testing woven into every sprint and commit.

by Tilo Linz 2014

3.72

25 ratings

🧪 Agile Testing 🔄 Scrum Methodology 🔴 Test Driven Development

Modern Software Engineering

by David Farley • 2021

Software is not a craft; it's a science. The discipline that turns teams into learning machines.

4.16

1k+

🔬 Scientific Engineering 🔄 Continuous Delivery 🔁 Feedback Loops

Modern Software Engineering 88%

Software is not a craft; it's a science. The discipline that turns teams into learning machines.

by David Farley 2021

4.16

1k+ ratings

🔬 Scientific Engineering 🔄 Continuous Delivery 🔁 Feedback Loops

Building Secure and Reliable Systems

by Heather Adkins • 2020

Build systems that survive attacks and accidents. Google's framework for reliable, secure software.

3.89

199

🛡️ Software Security 🔧 Site Reliability 🔄 Devops Practices

Building Secure and Reliable Systems Summary

Building Secure and Reliable Systems 87%

Build systems that survive attacks and accidents. Google's framework for reliable, secure software.

by Heather Adkins 2020

3.89

199 ratings

🛡️ Software Security 🔧 Site Reliability 🔄 Devops Practices

Developing Backbone.js Applications

by Addy Osmani • 2012

Bring order to sprawling client-side JavaScript with models, views, and a router, no page reloads.

3.70

188

💻 Frontend Development 🧱 Model-View-Controller 📄 Single-Page Apps

Developing Backbone.js Applications Summary

Developing Backbone.js Applications 87%

Bring order to sprawling client-side JavaScript with models, views, and a router, no page reloads.

by Addy Osmani 2012

3.70

188 ratings

💻 Frontend Development 🧱 Model-View-Controller 📄 Single-Page Apps

Madly, Deeply

by Alan Rickman • 2022

Systems must evolve, not freeze: automated guardrails, small batches, and teams shaped for change.

3.58

17k+

🛠️ Software Architecture 🚀 Continuous Delivery 🧩 Microservices

Madly, Deeply 87%

Systems must evolve, not freeze: automated guardrails, small batches, and teams shaped for change.

by Alan Rickman 2022

3.58

17k+ ratings

🛠️ Software Architecture 🚀 Continuous Delivery 🧩 Microservices

Design Thinking Research

by Larry Leifer • 2013

What if your programming environment saved every change, so you could explore ideas without risk?

4.00

💻 Software Design 🗂️ Version Control 🔄 Iterative Development

Design Thinking Research 87%

What if your programming environment saved every change, so you could explore ideas without risk?

by Larry Leifer 2013

4.00

1 ratings

💻 Software Design 🗂️ Version Control 🔄 Iterative Development

Understanding Software

by Max Kanat-Alexander • 2017

Code that's easy to write is hard to maintain. Here's how to flip that equation.

3.58

179

🛠️ Software Craftsmanship 🧹 Code Quality 🔍 Debugging Methods

Understanding Software 87%

Code that's easy to write is hard to maintain. Here's how to flip that equation.

by Max Kanat-Alexander 2017

3.58

179 ratings

🛠️ Software Craftsmanship 🧹 Code Quality 🔍 Debugging Methods

The Robert C. Martin Clean Code Collection

by Robert C. Martin • 2011

Write code your team can read, your tests protect, and your future self won't curse.

4.48

549

🧹 Code Quality 🛠️ Software Craftsmanship 🧪 Unit Testing

The Robert C. Martin Clean Code Collection Summary

The Robert C. Martin Clean Code Collection 87%

Write code your team can read, your tests protect, and your future self won't curse.

by Robert C. Martin 2011

4.48

549 ratings

🧹 Code Quality 🛠️ Software Craftsmanship 🧪 Unit Testing

Beautiful Architecture

by Diomidis Spinellis • 2008

Software guards its internals. Emacs shipped a Lisp interpreter and let users rewrite everything.

3.42

171

🏗️ Software Architecture 🖥️ Emacs 📐 Software Design

Beautiful Architecture 87%

Software guards its internals. Emacs shipped a Lisp interpreter and let users rewrite everything.

by Diomidis Spinellis 2008

3.42

171 ratings

🏗️ Software Architecture 🖥️ Emacs 📐 Software Design

The Go Programming Language

by Alan A.A. Donovan • 2015

Implicit interfaces, built-in concurrency: the complete Go programming guide.

4.43

2k+

🧵 Concurrent Programming 🖥️ Systems Programming 📖 Language Reference

The Go Programming Language 87%

Implicit interfaces, built-in concurrency: the complete Go programming guide.

by Alan A.A. Donovan 2015

4.43

2k+ ratings

🧵 Concurrent Programming 🖥️ Systems Programming 📖 Language Reference

Game Development Patterns and Best Practices

by John P. Doran • 2017

Design patterns that ship games: when to use each and how they prevent late-stage collapse.

3.90

🎮 Game Development 🧩 Design Patterns 🧹 Clean Code

Game Development Patterns and Best Practices Summary

Game Development Patterns and Best Practices 87%

Design patterns that ship games: when to use each and how they prevent late-stage collapse.

by John P. Doran 2017

3.90

20 ratings

🎮 Game Development 🧩 Design Patterns 🧹 Clean Code

Game Programming Patterns

by Robert Nystrom • 2011

The programming patterns that make game code resilient to change, and the ones that don't.

4.49

2k+

🎮 Game Programming 🧩 Design Patterns 🏗️ Software Architecture

Game Programming Patterns 87%

The programming patterns that make game code resilient to change, and the ones that don't.

by Robert Nystrom 2011

4.49

2k+ ratings

🎮 Game Programming 🧩 Design Patterns 🏗️ Software Architecture

Functional Programming for Java Developers

by Dean Wampler • 2011

Immutability kills whole categories of concurrency bugs. The functional tools Java developers need.

3.27

126

🧑‍💻 Functional Programming ⚡ Concurrent Programming ☕ Java Development

Functional Programming for Java Developers Summary

Functional Programming for Java Developers 87%

Immutability kills whole categories of concurrency bugs. The functional tools Java developers need.

by Dean Wampler 2011

3.27

126 ratings

🧑‍💻 Functional Programming ⚡ Concurrent Programming ☕ Java Development

Frontend Architecture for Design Systems

by Micah Godbolt • 2015

Forget page-building. Build a design system with modular markup and CSS that scales.

3.33

123

🏗️ Front-End Architecture 🎨 Design Systems 📐 CSS Methodologies

Frontend Architecture for Design Systems Summary

Frontend Architecture for Design Systems 87%

Forget page-building. Build a design system with modular markup and CSS that scales.

by Micah Godbolt 2015

3.33

123 ratings

🏗️ Front-End Architecture 🎨 Design Systems 📐 CSS Methodologies

The Road to React

by Robin Wieruch • 2017

Learn React the way it's actually written: hooks-first, project-driven, and tested from day one.

4.21

564

🖥️ Frontend Development 📦 Javascript Ecosystem 🧱 Component-Based Architecture

The Road to React 87%

Learn React the way it's actually written: hooks-first, project-driven, and tested from day one.

by Robin Wieruch 2017

4.21

564 ratings

🖥️ Frontend Development 📦 Javascript Ecosystem 🧱 Component-Based Architecture

More Joel on Software

by Joel Spolsky • 2008

Ship on schedule, hire developers who skip the job boards, and know when fixing beats rewriting.

4.05

549

🖥️ Software Development 👔 Engineering Management 🤝 Developer Culture

More Joel on Software 87%

Ship on schedule, hire developers who skip the job boards, and know when fixing beats rewriting.

by Joel Spolsky 2008

4.05

549 ratings

🖥️ Software Development 👔 Engineering Management 🤝 Developer Culture

Clean Architecture

by Robert C. Martin • 2017

Why your database should never be the center: building business logic that outlives its frameworks.

4.21

7k+

🏛️ Software Architecture 🔗 Dependency Management 🧱 Component Architecture

Clean Architecture 87%

Why your database should never be the center: building business logic that outlives its frameworks.

by Robert C. Martin 2017

4.21

7k+ ratings

🏛️ Software Architecture 🔗 Dependency Management 🧱 Component Architecture

Architecture Patterns with Python

by Harry Percival • 2020

The patterns that keep business logic clean when databases, queues, and APIs keep changing.

4.40

497

🧱 Software Architecture 🏛️ Domain-Driven Design 🧪 Test-Driven Development

Architecture Patterns with Python Summary

Architecture Patterns with Python 87%

The patterns that keep business logic clean when databases, queues, and APIs keep changing.

by Harry Percival 2020

4.40

497 ratings

🧱 Software Architecture 🏛️ Domain-Driven Design 🧪 Test-Driven Development

Pro Git

by Scott Chacon • 2009

Learn Git from the inside out: snapshots, branching, and the reflog that saves lost work.

4.18

3k+

🗂️ Version Control 💻 Command Line Tools 🤝 Code Collaboration

Pro Git 87%

Learn Git from the inside out: snapshots, branching, and the reflog that saves lost work.

by Scott Chacon 2009

4.18

3k+ ratings

🗂️ Version Control 💻 Command Line Tools 🤝 Code Collaboration

Kotlin in Action

by Dmitry Jemerov • 2016

Write less code, eliminate null errors, and keep every Java library. A Kotlin guide for developers.

4.41

603

🇰 Kotlin ☕ Java 🔬 Functional Programming

Kotlin in Action 87%

Write less code, eliminate null errors, and keep every Java library. A Kotlin guide for developers.

by Dmitry Jemerov 2016

4.41

603 ratings

🇰 Kotlin ☕ Java 🔬 Functional Programming

jQuery

by Earle Castledine • 2010

Why jQuery conquered the web: the selector-to-plugin path for building sites that feel like apps.

3.92

554

💻 Frontend Development 📚 Javascript Libraries 🔧 Dom Manipulation

jQuery 87%

Why jQuery conquered the web: the selector-to-plugin path for building sites that feel like apps.

by Earle Castledine 2010

3.92

554 ratings

💻 Frontend Development 📚 Javascript Libraries 🔧 Dom Manipulation

Continuous delivery

by Jez Humble • 2010

Your releases are a nerve-wracking ordeal. The pipeline that turns them into a routine button-push.

4.20

3k+

🚚 Software Delivery 🔗 Continuous Integration ✅ Automated Testing

Continuous delivery 87%

Your releases are a nerve-wracking ordeal. The pipeline that turns them into a routine button-push.

by Jez Humble 2010

4.20

3k+ ratings

🚚 Software Delivery 🔗 Continuous Integration ✅ Automated Testing

Clean Code

by Robert C. Martin • 2007

Reading code dominates a developer's day; these rules keep your colleagues from cursing your name.

4.35

24k+

🛠️ Software Craftsmanship 📖 Code Readability 🔄 Refactoring

Clean Code 87%

Reading code dominates a developer's day; these rules keep your colleagues from cursing your name.

by Robert C. Martin 2007

4.35

24k+ ratings

🛠️ Software Craftsmanship 📖 Code Readability 🔄 Refactoring

Java Cookbook

by Ian F. Darwin • 2001

Everyday Java challenges and the clean, working code that defeats them, from I/O to lambdas.

3.69

162

☕ Java Programming 👨‍🍳 Recipe Cookbook 🧩 Design Patterns

Java Cookbook 87%

Everyday Java challenges and the clean, working code that defeats them, from I/O to lambdas.

by Ian F. Darwin 2001

3.69

162 ratings

☕ Java Programming 👨‍🍳 Recipe Cookbook 🧩 Design Patterns

Software Architecture Patterns for Serverless Systems

by John Gilbert • 2021

Coupling kills innovation. Event-driven patterns for autonomous services that ship change safely.

4.29

⚡ Serverless Architecture 📨 Event-Driven Architecture 🧩 Microservices

Software Architecture Patterns for Serverless Systems Summary

Software Architecture Patterns for Serverless Systems 87%

Coupling kills innovation. Event-driven patterns for autonomous services that ship change safely.

by John Gilbert 2021

4.29

24 ratings

⚡ Serverless Architecture 📨 Event-Driven Architecture 🧩 Microservices

Dive Into Design Patterns

by Alexander Shvets • 2018

The 22 blueprints that turn tangled object-oriented code into systems you can actually change.

4.66

772

🧱 Object-Oriented Design 🏗️ Software Architecture 🔁 Design Patterns

Dive Into Design Patterns 87%

The 22 blueprints that turn tangled object-oriented code into systems you can actually change.

by Alexander Shvets 2018

4.66

772 ratings

🧱 Object-Oriented Design 🏗️ Software Architecture 🔁 Design Patterns

Head First Design Patterns

by Eric Freeman • 2004

Twelve patterns that keep software flexible: the visual guide that makes them stick.

4.30

9k+

🧩 Design Patterns 📐 Object-Oriented Design 🏗️ Software Architecture

Head First Design Patterns 87%

Twelve patterns that keep software flexible: the visual guide that makes them stick.

by Eric Freeman 2004

4.30

9k+ ratings

🧩 Design Patterns 📐 Object-Oriented Design 🏗️ Software Architecture

Refactoring

by Martin Fowler • 1999

How to restructure messy code safely: a catalog of refactorings, each step protected by a test.

4.24

9k+

🔧 Code Refactoring 🏗️ Software Design 💸 Technical Debt

Refactoring 87%

How to restructure messy code safely: a catalog of refactorings, each step protected by a test.

by Martin Fowler 1999

4.24

9k+ ratings

🔧 Code Refactoring 🏗️ Software Design 💸 Technical Debt

Ansible

by Lorin Hochstein • 2014

No agents required. Automate configuration and deployment with playbooks you can actually read.

3.88

270

🔧 Configuration Management 📋 Infrastructure As Code 🛠️ Devops Tooling

Ansible 87%

No agents required. Automate configuration and deployment with playbooks you can actually read.

by Lorin Hochstein 2014

3.88

270 ratings

🔧 Configuration Management 📋 Infrastructure As Code 🛠️ Devops Tooling

Practices of an Agile Developer

by Venkat Subramaniam • 2006

Clever code breaks teams; clear code lasts. Daily disciplines that turn a coder into a pro.

3.88

1k+

🔄 Agile Software Development 🛠️ Software Craftsmanship 📝 Clean Code

Practices of an Agile Developer 87%

Clever code breaks teams; clear code lasts. Daily disciplines that turn a coder into a pro.

by Venkat Subramaniam 2006

3.88

1k+ ratings

🔄 Agile Software Development 🛠️ Software Craftsmanship 📝 Clean Code

Functional Programming in Java

by Venkat Subramaniam • 2013

Cleaner code, less boilerplate, effortless parallelism: the Java 8 lambda and streams playbook.

4.17

226

🧱 Java Development 🔧 Functional Programming ☕ Modern Java

Functional Programming in Java 87%

Cleaner code, less boilerplate, effortless parallelism: the Java 8 lambda and streams playbook.

by Venkat Subramaniam 2013

4.17

226 ratings

🧱 Java Development 🔧 Functional Programming ☕ Modern Java

Five Lines of Code

by Christian Clausen • 2021

Trust rules, not taste. Inflexible constraints that hold every method to a five-line standard.

3.99

🛠️ Code Refactoring 🔷 Object-Oriented Design ✅ Code Quality

Five Lines of Code 87%

Trust rules, not taste. Inflexible constraints that hold every method to a five-line standard.

by Christian Clausen 2021

3.99

84 ratings

🛠️ Code Refactoring 🔷 Object-Oriented Design ✅ Code Quality

Effective Programming

by Jeff Atwood • 2012

Syntax lands the job. Everything else—teams, users, security—is what actually keeps it.

3.91

931

🧱 Software Craftsmanship 🖥️ User Experience Design 🔒 Security-First Design

Effective Programming 87%

Syntax lands the job. Everything else—teams, users, security—is what actually keeps it.

by Jeff Atwood 2012

3.91

931 ratings

🧱 Software Craftsmanship 🖥️ User Experience Design 🔒 Security-First Design

The Clean Coder

by Robert C. Martin • 2011

A pro programmer's real job: saying no, keeping promises, staying calm when the build breaks.

4.26

9k+

💼 Developer Conduct 🔨 Software Craftsmanship 💎 Code Quality

The Clean Coder 87%

A pro programmer's real job: saying no, keeping promises, staying calm when the build breaks.

by Robert C. Martin 2011

4.26

9k+ ratings

💼 Developer Conduct 🔨 Software Craftsmanship 💎 Code Quality

Software Engineering for Data Scientists

by Catherine Nelson • 2024

Write code that survives production: the software engineering skills notebooks never taught you.

4.27

🏗️ Software Craftsmanship 👁️ Code Readability 🧩 Modular Design

Software Engineering for Data Scientists Summary

Software Engineering for Data Scientists 87%

Write code that survives production: the software engineering skills notebooks never taught you.

by Catherine Nelson 2024

4.27

48 ratings

🏗️ Software Craftsmanship 👁️ Code Readability 🧩 Modular Design

Atomic Design

by Brad Frost • 2016

Chemistry meets web design: a method for building reusable component systems from the ground up.

4.00

1k+

🎨 Interface Design 🧩 Design Systems 🧱 Modular Design

Atomic Design 87%

Chemistry meets web design: a method for building reusable component systems from the ground up.

by Brad Frost 2016

4.00

1k+ ratings

🎨 Interface Design 🧩 Design Systems 🧱 Modular Design

Learning Go

by Jon Bodner • 2021

Go's power is what it omits. Learn the idioms that keep code readable for decades.

4.42

493

📐 Idiomatic Coding 🔀 Concurrency Patterns 🏷️ Static Typing

Learning Go 87%

Go's power is what it omits. Learn the idioms that keep code readable for decades.

by Jon Bodner 2021

4.42

493 ratings

📐 Idiomatic Coding 🔀 Concurrency Patterns 🏷️ Static Typing

Software Engineering

by Ian Sommerville • 1982

From requirements to deployment: the systematic approach to building software that lasts.

3.77

945

🖥️ Software Engineering 🔄 Software Processes 🏃 Agile Methods

Software Engineering 87%

From requirements to deployment: the systematic approach to building software that lasts.

by Ian Sommerville 1982

3.77

945 ratings

🖥️ Software Engineering 🔄 Software Processes 🏃 Agile Methods

Fluent React

by Tejas Kumar • 2024

From JSX to Server Components: how React's declarative model actually works, and why it matters.

4.13

💻 Frontend Development 🧩 Component Architecture 🔄 State Management

Fluent React 87%

From JSX to Server Components: how React's declarative model actually works, and why it matters.

by Tejas Kumar 2024

4.13

38 ratings

💻 Frontend Development 🧩 Component Architecture 🔄 State Management

Clean Agile

by Robert C. Martin • 2019

Agile's real secret isn't standups: it's testing first, pairing, and merciless simplification.

4.24

2k+

🏃 Agile Methodology 💻 Software Development 🔧 Software Craftsmanship

Clean Agile 87%

Agile's real secret isn't standups: it's testing first, pairing, and merciless simplification.

by Robert C. Martin 2019

4.24

2k+ ratings

🏃 Agile Methodology 💻 Software Development 🔧 Software Craftsmanship

Two Scoops of Django

by Daniel Roy Greenfeld • 2013

Django gets messy fast. The project structure, query rules, and Unix principle that keep it clean.

4.22

260

💻 Python Web Development 🧩 Django Framework ⚙️ Backend Development

Two Scoops of Django 87%

Django gets messy fast. The project structure, query rules, and Unix principle that keep it clean.

by Daniel Roy Greenfeld 2013

4.22

260 ratings

💻 Python Web Development 🧩 Django Framework ⚙️ Backend Development

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